<!--
 * @Author: error: error: git config user.name & please set dead value or install git && error: git config user.email & please set dead value or install git & please set dead value or install git
 * @Date: 2023-03-19 11:18:20
 * @LastEditors: error: error: git config user.name & please set dead value or install git && error: git config user.email & please set dead value or install git & please set dead value or install git
 * @LastEditTime: 2023-03-19 11:33:16
 * @FilePath: \从0到1的楷楷\从0到1的楷楷\pink系列\Javasritp\第三天\作业\练习题3.html
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 使用for循环 - 求出数组元素的和[5, 8, 9, 2, 1, 5]
        
        let arr= [5, 8, 9, 2, 1, 5]
        let sum=0
        for(let i=0;i<arr.length;i++){
            sum+=arr[i]
        }
        document.write(`${sum}`)
    </script>
</body>
</html>